How do I know if I need boiler replacement?

Common signs include: boiler is 20+ years old, frequent repairs, uneven heating, rising fuel bills, visible corrosion, or frequent pressure drops.

How much does boiler replacement cost near me?

In Nassau County, boiler replacement ranges from $5,000 for a basic gas boiler to $15,000+ for high-efficiency condensing systems or oil-to-gas conversions.

Can you convert my oil boiler to gas?

Yes! We specialize in oil-to-gas boiler conversions. We handle the gas line, old tank removal coordination, permits, and all inspections.

Should I replace my steam boiler with hot water?

It depends on your home. Steam-to-hot-water conversions require new piping but offer better efficiency. We'll evaluate your situation and give an honest recommendation.

Do you offer financing for boiler replacement?

Yes! We offer flexible financing options to make boiler replacement affordable, with monthly payments available.

Why is my boiler leaking water?

Common causes include a corroded heat exchanger, failed pressure relief valve, worn pump seals, or loose pipe fittings. A leaking boiler should be inspected promptly to prevent water damage and further system deterioration.

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Boiler Replacement Near Me

Expert boiler replacement with free estimates and financing across Nassau County.

New boilers starting at $5,000 installed with 10-year warranty and 0% financing available.

Call (516) 259-1191 Free Estimate

Free In-Home Estimates

10-year warranty

5-Star Rated

0% APR Financing

Is your boiler aging, inefficient, or requiring costly repairs? Our certified technicians provide expert boiler replacement throughout Nassau County. We handle gas, oil, steam, and hot water systems—including oil-to-gas conversions. From Levittown's post-war hydronic systems to Garden City's historic steam boilers, we size, install, and commission your new boiler for optimal performance and efficiency.

Boiler replacement in Nassau County requires specialized knowledge that goes beyond standard HVAC work. Many homes in Levittown, Garden City, and Floral Park still have original steam or hot water boilers from the 1940s-1960s. When these aging systems finally fail, the replacement involves careful consideration of your existing distribution system—steam radiators, hot water baseboard, or radiant floor heating—to ensure the new boiler integrates seamlessly. Our technicians are experienced with every boiler type found in Nassau County homes and can guide you through the decision between repair and replacement with honest, recommendations.

Signs You Need a New Boiler

If your boiler shows any of these symptoms, it may be time to consider replacement

Replace Soon

Boiler is 25+ Years Old

Cast-iron boilers last longer than furnaces, but efficiency drops sharply past 25 years

Replace Soon

Frequent Repairs

Spending $500+ per year on repairs — especially on circulator pumps or controls

Immediate

Visible Leaks or Corrosion

Leaking sections or rust on the heat exchanger indicate structural failure

Plan Ahead

Rising Fuel Bills

Old boilers lose efficiency — you're paying more for the same heat

Plan Ahead

Uneven Heating

Some radiators hot, others cold — the boiler can't maintain consistent output

Immediate

Carbon Monoxide Alarm

A cracked heat exchanger or failed draft is a safety emergency

Which Boiler Type Is Right for You?

Your replacement boiler depends on your home's existing distribution system

Steam Boiler

Common in pre-war and mid-century Nassau County homes with cast-iron radiators

80–85% AFUE

Homes with existing steam radiators in Garden City, Floral Park, Manhasset

Hot Water Boiler

Uses baseboard or radiant floor distribution — most popular replacement choice

85–98% AFUE

Most homes — offers the widest range of efficiency options

Combi Boiler

Provides both space heating and instant domestic hot water in one compact unit

95–98% AFUE

Smaller homes looking to free up space and eliminate water heater

Boiler Age & Efficiency Impact

See how your boiler's age affects your annual heating costs

Boiler Age	Typical AFUE	Annual Waste	Recommendation
5–15 years	80–87%	$200–$400	Monitor
15–25 years	70–80%	$400–$700	Plan Ahead
25–35 years	60–70%	$700–$1,000	Replace Soon
35+ years	50–60%	$1,000–$1,500+	Replace Now

Boiler Replacement Options

Three tiers to match your budget, system type, and efficiency goals

Standard

Cast-Iron / Atmospheric

82–85% AFUE

From $5,000

Atmospheric gas boiler
Cast-iron heat exchanger
Standard controls
Reliable, proven design

Budget-conscious replacement for steam or hot water systems

Get Free Estimate

High-Efficiency

Condensing Wall-Hung

95% AFUE

From $8,000

Condensing technology
Modulating burner
Outdoor reset control
30–40% lower fuel bills

Most Nassau County homes — best value for long-term savings

Get Free Estimate

Space Saver

Premium

Condensing Combi

95–98% AFUE

From $12,000

Heating + instant hot water
No separate water heater needed
Compact wall-mount design
Maximum space savings

Smaller homes wanting to eliminate the water heater

Get Free Estimate

All installations include old boiler removal, permits, and 10-year warranty. Oil-to-gas conversions from $7,000. Financing from $89/mo →

Repair vs. Replace — Decision Guide

Not sure if your boiler needs a repair or full replacement? Use this guide.

Factor	Repair	Replace
Boiler Age	Under 20 years	Over 25 years
Repair Cost	Under 40% of new unit	Over 50% of new unit
AFUE Rating	Above 80%	Below 70%
Frequency	First major repair	2+ repairs per season
Fuel Bills	Stable or slight rise	Rising 20%+ yearly
Leaks / Corrosion	Minor valve drip	Section or exchanger leak

Still not sure? We'll give you an honest assessment — no pressure.

Get Expert Advice: (516) 259-1191

Save More on Your New Boiler

IRA Tax Credit

Up to $2,000

Federal tax credit for qualifying high-efficiency boilers (95%+ AFUE)

PSEG Rebates

Up to $1,000

Utility rebates for ENERGY STAR® certified boilers in Nassau County

0% APR Financing

From $89/mo

Flexible payment plans for qualified buyers. Learn more →

Boiler Brands We Install

Factory-trained technicians for all major HVAC manufacturers

TraneThe Apple of HVACFactory Authorized

Mitsubishi ElectricGold Standard for DuctlessFactory Authorized

BoschGerman Engineering ExcellencePreferred Partner

CarrierThe OG of Air ConditioningFactory Authorized

LennoxPremium High-EfficiencyFactory Authorized

American StandardTrane's Smarter TwinPreferred Partner

RheemReliable & Drama-FreePreferred Partner

BryantCarrier's Quieter SiblingCertified

GoodmanHonest ValueCertified

RuudRheem's Reliable TwinCertified

DaikinWorld's Largest HVAC ManufacturerFactory Authorized

LGSurprisingly LegitPreferred Partner

Don't see your brand? We service all major manufacturers! Call us to confirm.

Our Replacement Process

Free Assessment

We evaluate your current boiler and heating needs

Custom Recommendation

We recommend the best replacement boiler for your home

Professional Installation

We remove the old boiler and install your new system

Commissioning

We test, calibrate, and ensure safe, efficient operation

What Nassau County Homeowners Say

"Our 1950s hydronic boiler finally gave out. Home+ installed a Navien condensing unit and our heating bills dropped 35%. They understood our Levitt home perfectly."

Frank D.— Levittown, NY

"Replaced our aging steam boiler without disrupting the radiator system. Very knowledgeable about historic home heating. Highly recommend."

Helen K.— Garden City, NY

"Complete oil-to-gas conversion including boiler replacement. They handled everything—permits, gas line, tank removal. Professional from start to finish."

Joseph A.— Uniondale, NY